11550537063 has 40 divisors (see below), whose sum is σ = 19013984528. Its totient is φ = 6942692736.

The previous prime is 11550537043. The next prime is 11550537077. The reversal of 11550537063 is 36073505511.

11550537063 is a `hidden beast` number, since 1 + 15 + 50 + 537 + 0 + 63 = 666.

It is not a de Polignac number, because 11550537063 - 2²⁰ = 11549488487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550537013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82270 + ... + 172827.

Almost surely, 2^11550537063 is an apocalyptic number.

11550537063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11550537063 is a deficient number, since it is larger than the sum of its proper divisors (7463447465).

11550537063 is a wasteful number, since it uses less digits than its factorization.

11550537063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255165 (or 255156 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The spelling of 11550537063 in words is "eleven billion, five hundred fifty million, five hundred thirty-seven thousand, sixty-three".